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Confused about wiring your subs and picking the right amplifier? Crutchfield will get you on the fast track to big bass with this simple guide.

This step-by-step guide will help you make sure that your amps and subs are evenly matched and work well together. We explain how to select one to go with the other.

New marine speakers in your boat will give you an immediate upgrade in sound quality, but you'll also need a marine amplifier to get the best sound over open water.

Amps make music fun
by Buck Pomerantz

When you add an amp to your system, the sound becomes higher, wider, and more realistic — like the band's in the car and you're in the front row.

Video: car amplifier features
by Zak Billmeier, Ken Nail

This video describes some of the common features you should look for when you're shopping for an amp, like a high-pass filter or a bass boost.

Video: how to choose an amplifier
by Zak Billmeier, Ken Nail

Here are some major points to consider and features to look for when choosing a new amplifier, like how many channels, or how much power it needs.

Bring out all of your music's emotional excitement, impact, and fine detail by adding an amplifier. This article explains which amplifier is the best for the job.

A home stereo system built around an integrated amplifier is perfect for a serious music lover. Learn what to look for as you shop.

Car amplifier buying guide
by Buck Pomerantz

How much power and how many channels are right for you? This guide will help you choose the right amplifier for your car's sound system.

Video: car amplifier power
by Zak Billmeier, Ken Nail

We describe the basics of deciding how much power an amplifier should have when you're trying to match it to your speakers or subwoofers.

Many new car receivers are equipped with USB ports. Is there a charging advantage for receivers that have USB ports rated at 1 Amp, versus those rated 500 milliamps?

Different amps with the same wattage ratings can have wildly different prices because not all watts are created equal - some are better due to the amp's build quality.

Three Crutchfield advisors listened to ten tracks from various musical genres to hear the difference a subwoofer makes when listening to music in a car.

Intro to live sound equipment
by Jim Richardson

Whether you only need a single mic and a speaker or a full kit for your band, it pays to know how a PA system works. This article explains each piece of the system.

Upgrade your car's sound
by Buck Pomerantz

Factory stereo systems leave a lot to be desired. The four upgrade systems we discuss in this article improve the factory sound of different vehicles in different ways.

Sonos buying guide
by David Brown

Interested in an easy solution for wireless audio throughout your home? We'll help you decide what Sonos gear you need to make your multi-room-music dreams come true.

Life with a factory stereo
by Charlie Pastorfield

Many new vehicles make it difficult to install a new stereo. This article covers some of your options for improving the sound without changing the stereo.

When you're choosing car speakers, it's important to make sure your system will give your new speakers the power they need to sound their best.

When it's time to upgrade your boat's audio system, it's important to look for marine-rated stereo equipment that can stand up to life on the water.

A Rockford Fosgate system gave the family minivan a major audio overhaul while still keeping the manufacturer's dual DVD players intact for the kids.

The mobile audio/video section of the Crutchfield Labs lets our writers, researchers, and advisors get hands-on experience with the latest car audio products.

Bill Becker, founder and CEO of BDI, talks about special features of the BDI Mirage 8222 audio/video cabinet, designed to hold and hide your audio components.

Bill Becker, founder and CEO of BDI, talks about the special features of the BDI Valera audio/video furniture line. The open design keeps your components visible, and

Bill Becker, the founder and CEO of BDI, talks about their Avion audio/video furniture line and the improvements they made with Series II. Avion is perfect for anyone

Car amplifiers FAQ
by Buck Pomerantz

Our Amplifier FAQ answers many common questions like: How can I add an amp to my system? Where should I mount it? What wiring do I need? What size fuse and power wire?

Amplifier installation guide
by Crutchfield Writing Team

Here's a step-by-step guide to installing a car amplifier, including troubleshooting tips when things don't work perfectly.

The Alpine PDX-V9 is the 5-channel version of their popular PDX amps. It's small, stackable with other PDX amps, and gives you serious power, with a tiny footprint.

One of our employees shares the excitement of having an amplifier in her car for the first time. We installed the Rockford Fosgate Punch P400-4 amplifier in her car,

You can connect speakers to an amp by wiring the amp's output wires to the harness behind the stereo, where all the speaker connections are accessible in one place.

Denon HEOS Amp and Link
by Video Team

The Denon HEOS Amp and HEOS Link let you integrate your existing home audio system with a wireless Denon HEOS multi-room audio system.

Car amplifiers glossary
by Crutchfield Writing Team

Car amplifier audio terms - like watts, volts, and efficiency - are explained.

Kenwood Excelon line of amplifiers - three models featuring a small footprint, clean design, and covered by a reassuring 2-year warranty.

Alpine's V-Power car amplifiers are smaller than ever, and they employ smart digital technology that makes them incredibly versatile.

Sony's efficient GS car amplifiers give you clean, effective power to make your car audio system sing. There are two GS models: a 4-channel, and a mono subwoofer amp.

Video: setting your amp's gain control
by Robert Ferency-Viars

Check out our quick and easy method for properly setting the gain on your car amplifier, which prevents distortion and reduces noise.

Kicker's CompR and CompRT subwoofers, plus their KX amplifiers, give you the sound and performance you expect from Kicker when you're building a car audio system.

For a long time when someone mentioned "computer speakers" all I could picture were the free speakers that came with our PC. They were lightweight, spindly things

Tuning your subs
by Buck Pomerantz

What does the gain control do anyway? This article describes how to adjust your amplifier so that your subwoofer sounds just the way you want it to.

The Sony MEX-XB100BT CD receiver includes a small hideaway amp that delivers 40 watts RMS per channel, which is double the power output of similar receivers.

Eric C's 2008 Saturn Vue
by Dominic DeVito

Eric C. of Streamwood, IL, boasts a well-hidden system in his 2008 Saturn Vue XE, with a Pioneer DVD receiver, Infinity speakers, MTX subs, and a pair of Pioneer amps.

Ben H's 2003 Toyota Camry LE
by Dominic DeVito

Ben H. added two pairs of Sony speakers, a Kicker amplifier, and an enclosed subwoofer from Boston Acoustics to his 2003 Toyota Camry LE, plus new interior lighting.

The 2002-06 MINI Cooper is a great example of how much driving fun can fit into a small package. But if you care about sound, you'll want a better stereo system.

Whether you need a bare-bones work truck or an luxury people hauler, the Mercedes-Benz Sprinter has a lot to offer. And we'll tell you how to install new audio gear.

1992-2002 Hummer H1
by Jon Paulette

There is nothing quiet or subtle about a Hummer H1, so you'll probably want to add all the audio firepower you can. New gear is actually pretty easy to install.

The "996" 911 Carrera is everything a 21st century Porsche ought to be. If you don't think your audio system is all that it could be, we'll help you tune it up.

2012-2015 Honda CR-V
by Jon Paulette

Big enough to haul kids and dogs in comfort, but small enough to slice through the suburban jungle, this versatile SUV will be even better with a new stereo system.

Amplifier wire gauge chart
by Buck Pomerantz

Need to know know which size of wire you should use when installing an amplifier? Use our handy cable gauge chart to find out.

2006-2012 Porsche Cayman
by Jon Paulette

The Porsche Cayman is designed for pure, unadulterated road-carving enjoyment. This mid-engined rocketship is fun as-is, but a new stereo will make it even better.

2005-2012 Porsche Boxster
by Jon Paulette

The Boxster is about as good as it gets when it comes to droptop sports cars. Replacing the stock stereo will make your music sound as good as the engine - almost!

The CTS proved that Cadillac was serious about reclaiming its "Standard of the World" title. Comfortable and fun to drive, it's a great home for a new audio system.

This Beetle is longer, lower and wider than any before, but it's still a very cool small car. If you want a bigger, bolder, better stereo, you're in the right place.

If you're a real audiophile, Sony's Hi-Res Audio system can bring listening-room sound quality to your daily drive.

The Harley-Davidson Electra Glide is made for riders who enjoy taking long trips on nice days in maximum comfort. A stereo will make the open road even more enjoyable.

2007-2011 Honda CR-V
by Jon Paulette

The third-generation CR-V is an excellent choice for all sorts of drivers, but if you care about sound, you'll definitely want to install an aftermarket stereo.

2006-2011 Honda Civic
by Rick Carlton

The Civic has evolved from its humble sub-compact beginnings to become a leading luxury compact. Here's what to expect when you replace your car's factory stereo.

Crossovers FAQ
by Crutchfield Writing Team

What is a crossover and do I need one? What's the difference between passive and active? How hard is it to install a crossover? These answers and more in our FAQ.

Capacitors FAQ
by Buck Pomerantz

What is a capacitor? Can it help my stereo system sound better? How do you hook it up? Get the answers to these and other questions here in our Capacitors FAQ.

Here we discuss the most popular fixes for an underpowered electrical system: the big 3 upgrade, a capacitor, a high output alternator, and a second battery.

2007-2014 Cadillac Escalade
by Jon Paulette

Even in a parking lot full of SUVs (i.e., most parking lots), an Escalade stands out. If you want a stereo that's just as distinctive, you've come to the right place.

Andrew W's 2007 Toyota Tacoma
by Dominic DeVito

Andrew W. from Charlotte, NC, loaded up his 2007 Toyota Tacoma with a Kenwood navigation receiver, some Alpine speakers, and a pair of Rockford Fosgate subs.

2006-2010 Hummer H3
by Jon Paulette

The Hummer H3 isn't for everyone, but if it's the truck for you, you're really going to enjoy it. With an upgraded stereo system, you'll enjoy it even more.

Eric G., a true DIY car audio enthusiast, tested several ways to improve the sound of his 2006 Pontiac Grand Prix GXP before settling on JL Audio and Pioneer components

Video: Focal FPS amplifiers
by Zak Billmeier

For the best amplified sound in their cars, audiophiles turn to Focal. This brief video introduces the Focal FPS series of amplifiers.

We're passionate about car audio. Our Mobile Audio Listening Lab lets us get hands-on experience with all kinds of car audio gear, from speakers and subs to

Check out this overview of a typical installation to see the steps involved when you install an amplifier in your vehicle.

Make your music sound lively and vital with a Sound Ordnance amplifier. Watch this Crutchfield video to see what these rugged, value-packed amplifiers have to offer.

Subwoofers FAQ
by Crutchfield Writing Team

Which subwoofer will sound the loudest? Or the deepest? Which hits harder: one 12" sub or two 10" subs? How much power do I need? These answers and more in our FAQ.

How to install a crossover
by Crutchfield Writing Team

Passive crossovers are very easy to install, but active crossovers require a little more work. Find out how to install, hook up, and set an active electronic crossover.

How to tune up your car audio system
by Charlie Pastorfield

You want your new car audio equipment to sound its best. Here are a few suggestions that will help you maximize your car stereo system's potential.

2008-2015 Scion xB
by Jon Paulette

The second-gen xB is longer, lower and wider, but it's still a practical people-mover with just enough of Scion's trademark Scion-ness to keep things interesting.

2007-2014 Toyota FJ Cruiser
by Jon Paulette

The FJ Cruiser combines off-road ability with retro styling that helps it stand out from ordinary SUVs. All you need now is a stereo that stands out from other FJs.

2001-2005 Mazda Miata
by Jon Paulette

When you're driving a Miata on a curvy country road, music probably isn't that important. But when you're back in town, a great stereo system is a nice thing to have.

2004-2006 Scion xB
by Jon Paulette

The xB isn't for everyone, but if it's the car for you, you'll enjoy a vast amount of interior space, decent road manners, and an impressive list of standard features.

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